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Dynaset Oy | Menotie 3, FI-33470 Ylöjärvi, Finland | tel: +358 3 3488 200 | info@dynaset.com | www.dynaset.com
HYDRAULIC SCREW COMPRESSORS
OPERATING PRINCIPLES
3.9. OIL FILTER
The filter mesh size is 20 µm.
The filter has a bypass valve which opens when oil is cold and high-viscosity or
when the filter is heavily soiled and pressure difference is 2.5 bar. This allowes oil
flow to the screw compressor.
Picture 15: Operating principle of oil filter
1. Cover
2. Seal
3. Return line shut-off valve
4. Filter housing
5. Filter element
6. Bypass valve
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